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Finding the Fourth Proportional to 375,894.34, 518,702.08 and 212,542.83

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Solution

The fourth proportional to 375,894.34, 518,702.08 and 212,542.83 is: 293,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,894.34 : 518,702.08 = 212,542.83 : x
  2. Step 2: Convert to fraction form
    375,894.34/518,702.08 = 212,542.83/x
  3. Step 3: Cross multiply
    375,894.34x = 518,702.08 × 212,542.83
  4. Step 4: Simplify right side
    375,894.34x = 110,246,408,010.09
  5. Step 5: Solve for x
    x = 110,246,408,010.09/375,894.34
  6. Step 6: Final answer
    x = 293,290.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.